The Tomcat connector configured to listen on port 8080 failed to start. The port may already be in u

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APPLICATION FAILED TO START
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Description:

The Tomcat connector configured to listen on port 8080 failed to start. The port may already be in use or the connector may be misconfigured.

Action:

Verify the connector's configuration, identify and stop any process that's listening on port 8080, or configure this application to listen on another port.

端口冲突。
1.打开任务管理器
2.打开详细信息
3.找到java.exe 结束任务
如果还是不行，可以通过重启电脑清除进程